{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["attack pattern", "attacker", "tool", "place", "price", "payment method"]}], "input": "The campaign began Monday , according to cloud - based cybersecurity provider AppRiver , which counted more than 23 million related spam emails having been sent in less than 24 hours ."}
{"ransom": []}